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Suppose you have totally forgotten a 5-digit PIN to open a door locker. There are five...

Suppose you have totally forgotten a 5-digit PIN to open a door locker. There are five distinct digits in the PIN, excluding zero. (a) If you test one 5-digit PIN every 11 seconds, how many minutes will it take to test all possible PINs? Answer =Answer [2 marks] (b) If the system requires you to press the first two digits simultaneously and then the other three digits one at a time a. How many possible PINs can you enter? Answer =Answer [3 marks]?

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